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  1. W

    P1698 on my 2001 xj should I replace the TCM

    Problem solved - replaced TCM with unit from eBay. Although my plug is questionable, it's functioning and I'd really rather not mess with splicing the harness, especially in that location. Had to clear DTC twice, but yea it seems good. Thanks for all the help!
  2. W

    P1698 on my 2001 xj should I replace the TCM

    Where do I measure the battery negative from? Straight to the battery with a long lead to the multimeter and pin 24? https://photos.app.goo.gl/VrMnQumdx7VtXptZ8 Based on what I've read elsewhere, the TCM is grounded through the engine dipstick tube stud, so I'll give that a better...
  3. W

    P1698 on my 2001 xj should I replace the TCM

    Yea, all the readings were with the TCU plugged in.. Battery positive? 24 is ground (which is the same as 12v negative right?); 25 is 12v+ constant, 26 is 12v+ switched, right? I'm far from an electrical engineer and this is by far the most use my multimeter has gotten so I appreciate you...
  4. W

    P1698 on my 2001 xj should I replace the TCM

    https://photos.app.goo.gl/cGDi9FubBipWnT8u8 I got 12v with the switch on from the 26 (12v switched) pinout to all three solenoid pins, 11, 12, 13. Resistance was 53ish ohms to all three, with the key on, and 12 ohms key off, as measured from 24 (ground) to 11, 12, 13.
  5. W

    P1698 on my 2001 xj should I replace the TCM

    Alright well, I backprobed the TCM, got good ground with 12v to constant and switched, and 12v to Solenoid #1, which I tested at the 12 pinout. So does that mean the plug is good and I could have just fried the TCM?
  6. W

    P1698 on my 2001 xj should I replace the TCM

    Yea I guess a guy really should take a multimeter to it to be absolutely sure.. I'll do that and report back.. thanks for the quick response.
  7. W

    P1698 on my 2001 xj should I replace the TCM

    In a blatant attempt to hijack and bump this (somewhat recent) thread with my own similar, if not identical problem, and just need a lil advice on how to proceed.. 99 XJ AW4, P1698 -- I've essentially already pinpointed my issue and it's on the pinout connector to the TCM, specifically the...
  8. W

    P1698 on my 2001 xj should I replace the TCM

    In a blatant attempt to hijack and bump this (somewhat recent) thread with my own similar, if not identical problem, and just need a lil advice on how to proceed.. 99 XJ AW4, P1698 -- I've essentially already pinpointed my issue and it's on the pinout connector to the TCM, specifically the...
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